Water treatment device



FIG. 1 is a front perspective view of a water treatment device showing the new design;

FIG. 2 is a front side elevational view of the water treatment device shown in FIG. 1, the rear side, top side and bottom side views being identical;

FIG. 3 is a left end elevational view of the water treatment device shown in FIG. 1; and,

FIG. 4 is a right end elevational view of the water treatment device shown in FIG. 1. 

The ornamental design for a water treatment device, as shown and described. 